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Marquise|Natural|IGI

1.02ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 782676659

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 782676659

Diamond specifications and retailer prices

From £1,096 GBP
As of November 6, 2026
Save £2,462 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,558 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 782676659. Listed at 14 retailers as of November 5, 2026, with prices from £1,096 to £3,558, a £2,462 spread on the same certified stone. NZ Jewellers lists it at £3,558. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 782676659
Dimensions10.44 × 5.09 × 3.29 mm
L/W Ratio2.05
Girdle conditionFaceted
Top View
10.44 mm5.09 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 782676659
Side View
Table 57.0%Crown 36.1°Girdle: THN-STKPavilion 38°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,558 GBP|Low: £1,080 GBP|High: £3,649 GBP|Avg: £1,748 GBP|+2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 2£1,096 GBP
Retailer 14£1,285 GBP
Retailer 13£1,346 GBP
Retailer 5£1,416 GBP
Retailer 3£1,459 GBP
Retailer 6£1,496 GBP
Retailer 12£1,526 GBP
Retailer 8£1,602 GBP
Retailer 4£1,683 GBP
Retailer 11£1,685 GBP
Retailer 9£1,780 GBP
Retailer 7£1,853 GBP
Retailer 10£2,549 GBP
NZ Jewellers£3,558 GBP

22 data points across 14 retailers

14 retailers£1,096 GBP to £3,558 GBP

A
Cheapest Retailer
-
£1,096 GBP
A
Retailer 2
-
£1,285 GBP
View
B+
Retailer 3
-
£1,346 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,416 GBP
View
B+
Retailer 5
-
£1,459 GBP
View
Retailer 6
-
£1,496 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£1,526 GBP
View
A
Retailer 8
-
£1,602 GBP
View
B+
Retailer 9
-
£1,683 GBP
View
B+
Retailer 10
-
£1,685 GBP
View
B+
Retailer 11
-
£1,780 GBP
View
B+
Retailer 12
-
£1,853 GBP
View
B
Retailer 13
-
£2,549 GBP
View
Most Expensive
B
NZ Jewellers
2f16cdaf-cd95-46d7-a05e-c5369b6c37b8 · Nov 5
£3,558 GBP
$4,763 USD
View
13 more retailers have this diamond
Prices start from £1,096 GBPSave up to £2,462 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.02ct Marquise
£1,096 GBP